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Texas Instruments OPA837 | Demoboard TIDA-01055
ADC Voltage Reference Buffer Optimization Reference Design for High Performance DAQ Systems
Overview
| Topology | Other Topology |
| IC revision | E1 |
Description
The TIDA-01055 reference design for high performance DAQ Systems optimizes the ADC reference buffer to improve SNR performance and reduce power consumption with the TI OPA837 high-speed op amp. This device is used in a composite buffer configuration and provides a 22% power improvement over traditional op amps. Voltage reference sources with an integrated buffer often lack the drive strength required to achieve optimal performance in a high-channel count systems. This reference design is capable of driving several ADCs, and achieves a system ENOB of 15.77 bits using an 18-bit, 2-MSPS SAR ADC.
Features
Remark: Schematic and BOM PDF are added.
- Two-Stage Buffer Design for Reducing NoiseGenerated From Voltage Reference
- Implements New Low-Power Reference Driver WithSlew Rate Capability to Drive a 2-MSPS SAR ADC
Typical applications
- Data Acquisition(DAQ)
- Lab Instrumentation, semiconductor test equipment, LCD test equipment
- Battery Test
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | Pins (pcs) | Application | PCB/Cable/Panel | Modularity | Type | Wire Section | λDom typ. (nm) | Emitting Color | λPeak typ. (nm) | IV typ. (mcd) | VF typ. (V) | Chip Technology | 2θ50% typ. (°) | C | Tol. C | VR (V (DC)) | Size | Operating Temperature | Q (%) | RISO | Ceramic Type | L (mm) | W (mm) | H (mm) | Fl (mm) | Packaging | L (µH) | IR (A) | ISAT (A) | fres (MHz) | Mount | Ti | Ø ID (mm) | Ø OD (mm) | Qty. | Pitch (mm) | Rows | Gender | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 744025006 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WE-TPC SMT Tiny Power Inductor | 2 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 2828 | -40 °C up to +125 °C | – | – | – | 2.8 | 2.8 | 2.8 | – | – | 6.8 | 1.1 | 1.3 | 59 | SMT | – | – | – | 550 | – | – | – | ||
 | 744031680 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WE-TPC SMT Tiny Power Inductor | 2 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 3816 | -40 °C up to +125 °C | – | – | – | 3.8 | 3.8 | 1.65 | – | – | 68 | 0.32 | 0.22 | 12 | SMT | – | – | – | 1000 | – | – | – | ||
 | 691213710002 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-TBL Series 213 - 5.00 mm Horiz.l Entry Modular | 2 | Rising Cage Clamp | PCB | Yes | Horizontal | 26 to 16 (AWG) 0.5 to 1.5 (mm²) | – | – | – | – | – | – | – | – | – | – | – | -40 °C up to +105 °C | – | – | – | 10 | – | – | – | Box | – | 10 | – | – | THT | – | – | – | – | 5 | – | – | |
 | 61300211121 | SPEC | – | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD Pin Header - Single | 2 | – | – | – | Straight | – | – | – | – | – | – | – | – | – | – | – | – | -40 °C up to +105 °C | – | 1000 MΩ | – | 5.08 | – | – | – | Bag | – | 3 | – | – | THT | – | – | – | – | 2.54 | Single | Pin Header | |
 | 61300311121 | SPEC | – | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD Pin Header - Single | 3 | – | – | – | Straight | – | – | – | – | – | – | – | – | – | – | – | – | -40 °C up to +105 °C | – | 1000 MΩ | – | 7.62 | – | – | – | Bag | – | 3 | – | – | THT | – | – | – | – | 2.54 | Single | Pin Header | |
 | 150060RS75000 | SPEC | 26 files RAY files
| Active i| Production is active. Expected lifetime: >10 years. | WL-SMCW SMT Mono-color Chip LED Waterclear | – | – | – | – | – | – | 625 | Red | 630 | 250 | 2 | AlInGaP | 140 | – | – | – | 0603 | -40 °C up to +85 °C | – | – | – | 1.6 | 0.8 | 0.7 | – | Tape and Reel | – | – | – | – | SMT | – | – | – | 4000 | – | – | – | ||
 | 885012006057 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | – | – | – | – | – | – | – | – | – | 100 pF | ±5% | 50 | 0603 | -55 °C up to +125 °C | 1000 | 10 GΩ | NP0 Class I | 1.6 | 0.8 | 0.8 | 0.4 | 7" Tape & Reel | – | – | – | – | – | – | – | – | 4000 | – | – | – | ||
 | 9774050360R | SPEC PCN pendingDue to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff. | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WA-SMSI SMT Steel Spacer with internal Thread M3 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | -55 °C up to +150 °C | – | – | – | 5 | – | – | – | Tape and Reel | – | – | – | – | – | M3 | 4.2 | 6 | 650 | – | – | – |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 744025006 | SPEC | |
| 744031680 | SPEC | |
| 691213710002 | SPEC | – |
| 61300211121 | SPEC | – |
| 61300311121 | SPEC | – |
| 150060RS75000 | SPEC | |
| 885012006057 | SPEC | |
| 9774050360R | SPEC PCN pendingDue to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff. | – |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | Pins (pcs) | Application | PCB/Cable/Panel | Modularity | Type | Wire Section | λDom typ. (nm) | Emitting Color | λPeak typ. (nm) | IV typ. (mcd) | VF typ. (V) | Chip Technology | 2θ50% typ. (°) | C | Tol. C | VR (V (DC)) | Size | Operating Temperature | Q (%) | RISO | Ceramic Type | L (mm) | W (mm) | H (mm) | Fl (mm) | Packaging | L (µH) | IR (A) | ISAT (A) | fres (MHz) | Mount | Ti | Ø ID (mm) | Ø OD (mm) | Qty. | Pitch (mm) | Rows | Gender | Samples |
|---|
